Updater.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Diagnostics;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;
using System.IO;
using static System.Windows.Forms.LinkLabel;
using Newtonsoft.Json.Linq;
using System.Net.Http;

namespace Xbox_Achievement_Unlocker
{
    public partial class Updater : Form
    {
        public Updater()
        {
            InitializeComponent();
        }
        static HttpClientHandler handler = new HttpClientHandler()
        {
            AutomaticDecompression = System.Net.DecompressionMethods.GZip | System.Net.DecompressionMethods.Deflate
        };
        HttpClient client = new HttpClient(handler);
        async void BTN_Yes_Click(object sender, EventArgs e)
        {
            client.DefaultRequestHeaders.Clear();
            client.DefaultRequestHeaders.Add("Host", "api.github.com");
            client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0");
            client.DefaultRequestHeaders.Add("Accept-Encoding", "gzip, deflate, br");
            client.DefaultRequestHeaders.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8");
            var responseString = await client.GetStringAsync("https://api.github.com/repos/ItsLogic/Xbox-Achievement-unlocker/releases");
            var Jsonresponse = (dynamic)(new JArray());
            Jsonresponse = (dynamic)JArray.Parse(responseString);
            WebClient webClient = new WebClient();
            string sourceFile = Jsonresponse[0].assets[0].browser_download_url.ToString();
            string destFile = @"XAU-new.exe";
            webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(DownloadCompleted);
            webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged);
            webClient.DownloadFileAsync(new Uri(sourceFile), destFile);

        }
        private void ProgressChanged(object sender, DownloadProgressChangedEventArgs e)
        {
            progressBar1.Value = e.ProgressPercentage;
        }

        private void DownloadCompleted(object sender, AsyncCompletedEventArgs e)
        {
            var path = Environment.ProcessPath.ToString();
            string[] splitpath = path.Split("\\");
            using (StreamWriter writer = new StreamWriter("XAU-Updater.bat"))
            {
                writer.WriteLine("@echo off");
                writer.WriteLine("del \"" + Environment.ProcessPath + "\" ");
                writer.WriteLine("del \"" + splitpath[splitpath.Count() - 1] + "\" ");
                writer.WriteLine("ren XAU-new.exe \"" + splitpath[splitpath.Count() - 1] + "\" ");
                writer.WriteLine("start \"\" " + "\"" + splitpath[splitpath.Count() - 1] + "\"");
                writer.WriteLine("goto 2 > nul & del \"%~f0\"");
            }
            Process proc = new Process();
            proc.StartInfo.FileName = "XAU-Updater.bat";
            proc.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
            proc.Start();
            Application.Exit();
        }
        private void BTN_No_Click(object sender, EventArgs e)
        {
            Updater.ActiveForm.Close();
        }
    }
}